DISPLAY APPARATUS, DISPLAY METHOD, DISPLAY PROGRAM, INTEGRATED CIRCUIT, GOGGLE-TYPE HEAD-MOUNTED DISPLAY, VEHICLE, MONOCLE, AND STATIONARY DISPLAY - A display apparatus includes: a light outputting unit which outputs a visible beam to be projected onto an eyeball and an infrared beam to be projected onto eyelids; a deflection unit which deflects, toward the user's eyes, the visible beam and infrared beam outputted by the light outputting unit; a light sensing unit which senses the reflected light of the visible beam reflected off the user's eyeball; an eyelid opening and closing judgment unit which judges the open or closed state of the user's eyelids based on the result of the reflected light sensing by the light sensing unit; and an infrared-irradiation range control unit which changes the irradiation range of the infrared beam so that the eyelids are selectively irradiated with the infrared beam, by controlling the light outputting unit according to the open or closed state of the eyelids judged by is the eyelid opening and closing judgment unit.

LIGHT PROJECTION DEVICE - A light projection device, includes a movable projector section which illuminates or display information by projecting light while moving a projection position; a position detecting section which detects a position of a lost article instructed by a user; a view field detecting section which detects a view field of the user, and a controller section which controls said movable projection section based on the lost article detected by the position detecting section and the view field of the user detected by the view field detecting section, and either directly illuminates the lost article or projects guide information for guiding the user to the lost article within a view field of the user.

11-18-2010

20110102874

BEAM SCANNING DISPLAY APPARATUS - A scanning type image display apparatus includes a light source unit for emitting a laser beam, a scanning mirror for scanning the laser beam two-dimensionally in a first direction and a second direction that intersects the first direction, and a control unit for controlling driving of the scanning mirror. The control unit drives the scanning mirror such that a scanning frequency in the first direction is higher than a scanning frequency in the second direction, and varies a scanning amplitude in the first direction by varying the scanning frequency in the first direction in synchronization with a period of the scanning frequency in the second direction.

05-05-2011

20120098819

IMAGE DISPLAY DEVICE - An image display device includes a laser source for emitting a laser beam, an image forming element which uses the laser beam to emit image light for displaying an image, a first diffraction element for diffracting the image light, and a controller for controlling a display position of the image on the basis of a wavelength of the laser beam and a temperature of the first diffraction element.

04-26-2012

20120099170

SEE-THROUGH DISPLAY AND HEAD-UP DISPLAY - A see-through display including a light source for emitting light, a projection optical system for projecting the light emitted by the light source, and a volume hologram for deflecting the light projected by the projection optical system. The volume hologram has a linear expansion coefficient of α (/° C.) and interference fringes recorded with recording light having a wavelength of Λ (nm). The wavelength of the light emitted by the light source has a temperature dependency of K (nm/° C.), and the wavelength Λ (nm) and the temperature dependency K (nm/° C.) satisfy the relationship of 0≦K/Λ≦2α.

04-26-2012

20120236046

DISPLAY APPARATUS, MOBILE OBJECT AND CONTROL APPARATUS - A display apparatus, includes: a display light emission unit which includes a light source, forms an image, and emits display light corresponding to formed image; a deflection unit which deflects the display light; a narrow band reflection unit which has characteristics of reflecting only light in a reflected wavelength range and transmitting light of wavelengths other than the reflected wavelength range, and reflects the display light incident from the deflection unit towards a viewpoint; and a control unit which changes an incidence angle at which the display light is incident on the narrow band reflection unit, in accordance with change in a wavelength of the light, wherein the narrow band reflection unit is configured such that the reflected wavelength range changes when an incidence angle of light changes, and the control unit changes the incidence angle such that a wavelength of the light is included within the reflected wavelength range.

09-20-2012

20120242724

TRANSMISSIVE DISPLAY APPARATUS, MOBILE OBJECT AND CONTROL APPARATUS - A transmissive display apparatus includes a transparent display panel, a display unit which projects a display light toward a display area of the transparent display panel, a ratio change unit which is provided to the display area, is configured to be capable of changing a light transmittance, and is configured to be capable of changing a ratio of a light quantity of a rear face reflected light reaching a viewpoint relative to a light quantity of a front face reflected light reaching the viewpoint, and a control unit which alternately switches the ratio change unit between a first state and a second state. The ratio change unit lowers, in the first state, the ratio by reducing the light quantity of the rear face reflected light that reaches the viewpoint in comparison to the second state. The light transmittance increases in the second state in comparison to the first state.

09-27-2012

20120250306

TRANSMISSIVE DISPLAY DEVICE - A transmissive display device includes: a light source which outputs light; a display part which receives the light from the light source and generates display light representing an image; a deflecting element which changes a direction of the display light emitted from the display part; and a transmissive reflector which reflects, towards a user, light of a wavelength included in the display light emitted from the display part, and transmits light of other wavelengths. An angle formed by a straight line, which extends between an upper edge of an incident area of the display light on the transmissive reflector and a lower portion of an eyebox which is defined as a visible range of the reflected light from the transmissive reflector, with respect to a horizontal line is smaller than a difference between an emission angle and an incident angle of the display light at the transmissive reflector.

10-04-2012

20120280956

DISPLAY APPARATUS - A display apparatus that displays an image on a retina of a user, the display apparatus comprising: an image output unit (

DISPLAY DEVICE AND METHOD FOR CONTROLLING THE SAME - A display device includes: a light source which emits light; a light deflector having a deflection region in which the light from the light source is deflected toward a predetermined position; a liquid crystal panel on which the image is formed by the light from the light deflector; and a control unit which determines a total number of right and left eyes of one or more users and controls operation of the light deflector based on the determined total number of right and left eyes, wherein the control unit segments the deflection region into a plurality of deflection subregions based on the determined total number of right and left eyes and controls light deflection in the deflection subregions to deflect the light from the light source toward different positions at the same time.

DISPLAY DEVICE, DISPLAY METHOD, INTEGRATED CIRCUIT, PROGRAM - A display device includes: a light source which emits light; a position detection unit which detects an eye position of a user; a light deflection unit which deflects the emitted light toward the eye position detected by the position detection unit; a user identification unit which identifies which one of persons is the user; a deflection control unit which controls a deflecting direction in which the light deflection unit deflects the light, depending on the person identified as the user; and a liquid crystal display panel which receives the light from the light deflection unit and display an image formed by the light.

05-09-2013

20130113767

IMAGE DISPLAY DEVICE, IMAGE DISPLAY METHOD, AND INTEGRATED CIRCUIT - An image display device including a light source, an image display unit including plural pixels, a deflection unit which includes plural regions and deflects, for each of the plural regions, a light beam traveling from the light source toward the image display unit, and a light control unit which controls the deflection unit to cause each of light beams passing through a corresponding one of the regions of the deflection unit to be deflected toward one of a first point and a second point that are different from each other, according to a pixel value of the pixel corresponding to the region.

05-09-2013

20130155337

LIQUID CRYSTAL DISPLAY DEVICE - Included is a light emitting unit, an optical deflector, a control unit, and a liquid crystal panel. The optical deflector includes a first optical deflector and a second optical deflector which are arranged side by side in a direction from a light incident side to a light emitting side. A maximum light deflection angle of the first optical deflector is smaller than a maximum light deflection angle of the second optical deflector, and a maximum light deflection speed of the first optical deflector is higher than a maximum light deflection speed of the second optical deflector. The first optical deflector includes a first optical deflection layer and a second optical deflection layer stacked in the direction from the light incident side to the light emitting side. Each of the first and second optical deflection layers includes the liquid crystal deflection elements arranged in the planar state.

06-20-2013

20130182302

SEE-THROUGH DISPLAY DEVICE AND VEHICLE HAVING SEE-THROUGH DISPLAY DEVICE MOUNTED THEREON - The present application discloses a see-through display device a light source configured to emit light, a projection optical system configured to project image light generated from the light; a transmissive hologram including a first surface which the image light enters from the projection optical system; and an interface configured to cause Fresnel reflection of the image light deflected by the hologram. The hologram includes a first interference fringe recorded by object light and reference light which are incident on the first surface by means of two-light flux interference. The image light incident on the first surface is deflected by the first interference fringe toward the interface. The interface reflects the image light toward the first surface.

07-18-2013

20130265623

COMPUTER GENERATED HOLOGRAM TYPE DISPLAY DEVICE - A display device includes: a light source; an illumination optical system; a diffraction pattern generation unit; a spatial modulation element that generates diffracted light; and a shielding unit that selectively enters a first state where a first and second partial areas are a transmitting and shielding areas, respectively, and a second state where the first and second partial areas are the shielding and transmitting areas, respectively. The spatial modulation element displays the fictive image on a first and second display areas corresponding to the first and second partial areas when the shielding unit is in the first and second states, respectively. The diffraction pattern generation unit generates a first and second portion diffraction patterns from an image in an area corresponding to the first and second display areas out of the original image when the shielding unit is in the first and second states, respectively.

10-10-2013

20130286678

DISPLAY DEVICE - A display device includes: a first light source which emits light; a second light source which emits light; a display panel which displays an image; a first light guide plate and a second light guide plate which guide, to the display panel, the light from the first light source and the light from the second light source, respectively; and a control unit which causes one of the first light source and the second light source to emit the light. A first divergence angle obtained when the light from the first light source enters the first light guide plate is larger than a second divergence angle obtained when the light from the second light source enters the second light guide plate.

10-31-2013

20140049451

DISPLAY DEVICE AND DISPLAY SYSTEM - A display device includes a light source which outputs laser light, an illumination optical system which emits the laser light as illumination light, a spatial modulation element which diffracts the illumination light by displaying a diffraction pattern, a diffraction pattern acquiring unit which acquires a basic diffraction pattern generated based on an image, and a diffraction pattern process unit which uses the basic diffraction pattern and a correction diffraction pattern for correcting the basic diffraction pattern to generate, as the diffraction pattern to be displayed on the spatial modulation element, a combined diffraction pattern obtained by correcting the basic diffraction pattern by the correction diffraction pattern. The spatial modulation element displays diffracted light, which is diffracted by displaying the combined diffraction pattern, to a user as a fictive image.

02-20-2014

20140118825

STEREOSCOPIC IMAGE DISPLAY APPARATUS AND STEREOSCOPIC IMAGE DISPLAY METHOD - A stereoscopic image display apparatus including: a light source unit; a light guide plate having an incidence surface and an emission surface; and a liquid-crystal panel which spatially modulates light. The light source unit emits the light so that the light is incident on the incidence surface in the first and second directions for the right and left eyes of a viewer, which are different from each other and each is inclined at a predetermined angle in the emission surface with respect to a reference direction perpendicular to an alignment direction of the right and left eyes of the viewer. Also, the light emitted from the emission surface of the light guide plate is in a direction which is determined according to the propagation direction of the incident light and in which a component in the alignment direction, included in the propagation direction, is maintained.

05-01-2014

20140198141

IMAGE DISPLAY APPARATUS - An image display apparatus, including: a light source which emits coherent light; a spatial modulation element which diffracts the coherent light by displaying a diffraction grating pattern corresponding to an input image and which displays a virtual image by the diffracted light; and a control unit which calculates a total brightness representing a sum total of brightnesses of all pixels of the input image, and controls at least one of the light source and the spatial modulation element in such a manner that, if the total brightness has decreased, the virtual image is displayed at a lower brightness than a reference virtual image displayed when the input image is used directly.

07-17-2014

20140355086

DISPLAY DEVICE USING COMPUTER GENERATED HOLOGRAM - The instant application discloses a display device including a pattern generator configured to generate a diffraction pattern from an image; a light source configured to emit emission light; an optical condenser which condenses the emission light to generate illumination light; and a spatial light modulator which diffracts the illumination light according to the diffraction pattern to generate diffracted light. The diffracted light passes through the optical condenser.